Home / 8,431,964.46-11,655,721.58-7,523,200.35

Finding the Fourth Proportional to 8,431,964.46, 11,655,721.58 and 7,523,200.35

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Solution

The fourth proportional to 8,431,964.46, 11,655,721.58 and 7,523,200.35 is: 10,399,513.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431,964.46 : 11,655,721.58 = 7,523,200.35 : x
  2. Step 2: Convert to fraction form
    8,431,964.46/11,655,721.58 = 7,523,200.35/x
  3. Step 3: Cross multiply
    8,431,964.46x = 11,655,721.58 × 7,523,200.35
  4. Step 4: Simplify right side
    8,431,964.46x = 87,688,328,632,542.55
  5. Step 5: Solve for x
    x = 87,688,328,632,542.55/8,431,964.46
  6. Step 6: Final answer
    x = 10,399,513.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.